annotate src/memline.c @ 7:3fc0f57ecb91 v7.0001

updated for version 7.0001
author vimboss
date Sun, 13 Jun 2004 20:20:40 +0000
parents
children 4102fb4ea781
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1 /* vi:set ts=8 sts=4 sw=4:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3 * VIM - Vi IMproved by Bram Moolenaar
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5 * Do ":help uganda" in Vim to read copying and usage conditions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
6 * Do ":help credits" in Vim to see a list of people who contributed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
7 * See README.txt for an overview of the Vim source code.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
8 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
9
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
10 /* for debugging */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
11 /* #define CHECK(c, s) if (c) EMSG(s) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
12 #define CHECK(c, s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
13
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
14 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
15 * memline.c: Contains the functions for appending, deleting and changing the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
16 * text lines. The memfile functions are used to store the information in blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
17 * of memory, backed up by a file. The structure of the information is a tree.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
18 * The root of the tree is a pointer block. The leaves of the tree are data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
19 * blocks. In between may be several layers of pointer blocks, forming branches.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
20 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
21 * Three types of blocks are used:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
22 * - Block nr 0 contains information for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
23 * - Pointer blocks contain list of pointers to other blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
24 * - Data blocks contain the actual text.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
25 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
26 * Block nr 0 contains the block0 structure (see below).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
27 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
28 * Block nr 1 is the first pointer block. It is the root of the tree.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
29 * Other pointer blocks are branches.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
30 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
31 * If a line is too big to fit in a single page, the block containing that
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
32 * line is made big enough to hold the line. It may span several pages.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
33 * Otherwise all blocks are one page.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
34 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
35 * A data block that was filled when starting to edit a file and was not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
36 * changed since then, can have a negative block number. This means that it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
37 * has not yet been assigned a place in the file. When recovering, the lines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
38 * in this data block can be read from the original file. When the block is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
39 * changed (lines appended/deleted/changed) or when it is flushed it gets a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
40 * positive number. Use mf_trans_del() to get the new number, before calling
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
41 * mf_get().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
42 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
43
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
44 #if defined(MSDOS) || defined(WIN32) || defined(_WIN64)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
45 # include <io.h>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
46 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
47
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
48 #include "vim.h"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
49
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
50 #ifdef HAVE_FCNTL_H
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
51 # include <fcntl.h>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
52 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
53 #ifndef UNIX /* it's in os_unix.h for Unix */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
54 # include <time.h>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
55 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
56
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
57 #ifdef SASC
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
58 # include <proto/dos.h> /* for Open() and Close() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
59 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
60
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
61 typedef struct block0 ZERO_BL; /* contents of the first block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
62 typedef struct pointer_block PTR_BL; /* contents of a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
63 typedef struct data_block DATA_BL; /* contents of a data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
64 typedef struct pointer_entry PTR_EN; /* block/line-count pair */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
65
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
66 #define DATA_ID (('d' << 8) + 'a') /* data block id */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
67 #define PTR_ID (('p' << 8) + 't') /* pointer block id */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
68 #define BLOCK0_ID0 'b' /* block 0 id 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
69 #define BLOCK0_ID1 '0' /* block 0 id 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
70
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
71 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
72 * pointer to a block, used in a pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
73 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
74 struct pointer_entry
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
75 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
76 blocknr_T pe_bnum; /* block number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
77 linenr_T pe_line_count; /* number of lines in this branch */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
78 linenr_T pe_old_lnum; /* lnum for this block (for recovery) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
79 int pe_page_count; /* number of pages in block pe_bnum */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
80 };
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
81
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
82 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
83 * A pointer block contains a list of branches in the tree.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
84 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
85 struct pointer_block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
86 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
87 short_u pb_id; /* ID for pointer block: PTR_ID */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
88 short_u pb_count; /* number of pointer in this block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
89 short_u pb_count_max; /* maximum value for pb_count */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
90 PTR_EN pb_pointer[1]; /* list of pointers to blocks (actually longer)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
91 * followed by empty space until end of page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
92 };
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
93
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
94 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
95 * A data block is a leaf in the tree.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
96 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
97 * The text of the lines is at the end of the block. The text of the first line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
98 * in the block is put at the end, the text of the second line in front of it,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
99 * etc. Thus the order of the lines is the opposite of the line number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
100 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
101 struct data_block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
102 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
103 short_u db_id; /* ID for data block: DATA_ID */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
104 unsigned db_free; /* free space available */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
105 unsigned db_txt_start; /* byte where text starts */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
106 unsigned db_txt_end; /* byte just after data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
107 linenr_T db_line_count; /* number of lines in this block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
108 unsigned db_index[1]; /* index for start of line (actually bigger)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
109 * followed by empty space upto db_txt_start
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
110 * followed by the text in the lines until
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
111 * end of page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
112 };
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
113
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
114 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
115 * The low bits of db_index hold the actual index. The topmost bit is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
116 * used for the global command to be able to mark a line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
117 * This method is not clean, but otherwise there would be at least one extra
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
118 * byte used for each line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
119 * The mark has to be in this place to keep it with the correct line when other
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
120 * lines are inserted or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
121 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
122 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
123 #define DB_INDEX_MASK (~DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
124
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
125 #define INDEX_SIZE (sizeof(unsigned)) /* size of one db_index entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
126 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) /* size of data block header */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
127
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
128 #define B0_FNAME_SIZE 900
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
129 #define B0_UNAME_SIZE 40
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
130 #define B0_HNAME_SIZE 40
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
131 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
132 * Restrict the numbers to 32 bits, otherwise most compilers will complain.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
133 * This won't detect a 64 bit machine that only swaps a byte in the top 32
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
134 * bits, but that is crazy anyway.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
135 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
136 #define B0_MAGIC_LONG 0x30313233L
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
137 #define B0_MAGIC_INT 0x20212223L
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
138 #define B0_MAGIC_SHORT 0x10111213L
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
139 #define B0_MAGIC_CHAR 0x55
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
140
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
141 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
142 * Block zero holds all info about the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
143 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
144 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
145 * swap files unusable!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
146 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
147 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
148 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
149 * This block is built up of single bytes, to make it portable accros
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
150 * different machines. b0_magic_* is used to check the byte order and size of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
151 * variables, because the rest of the swap file is not portable.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
152 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
153 struct block0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
154 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
155 char_u b0_id[2]; /* id for block 0: BLOCK0_ID0 and BLOCK0_ID1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
156 char_u b0_version[10]; /* Vim version string */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
157 char_u b0_page_size[4];/* number of bytes per page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
158 char_u b0_mtime[4]; /* last modification time of file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
159 char_u b0_ino[4]; /* inode of b0_fname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
160 char_u b0_pid[4]; /* process id of creator (or 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
161 char_u b0_uname[B0_UNAME_SIZE]; /* name of user (uid if no name) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
162 char_u b0_hname[B0_HNAME_SIZE]; /* host name (if it has a name) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
163 char_u b0_fname[B0_FNAME_SIZE]; /* name of file being edited */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
164 long b0_magic_long; /* check for byte order of long */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
165 int b0_magic_int; /* check for byte order of int */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
166 short b0_magic_short; /* check for byte order of short */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
167 char_u b0_magic_char; /* check for last char */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
168 };
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
169 #define b0_dirty b0_fname[B0_FNAME_SIZE-1]
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
170
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
171 #define STACK_INCR 5 /* nr of entries added to ml_stack at a time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
172
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
173 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
174 * The line number where the first mark may be is remembered.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
175 * If it is 0 there are no marks at all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
176 * (always used for the current buffer only, no buffer change possible while
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
177 * executing a global command).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
178 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
179 static linenr_T lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
180
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
181 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
182 * arguments for ml_find_line()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
183 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
184 #define ML_DELETE 0x11 /* delete line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
185 #define ML_INSERT 0x12 /* insert line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
186 #define ML_FIND 0x13 /* just find the line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
187 #define ML_FLUSH 0x02 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
188 #define ML_SIMPLE(x) (x & 0x10) /* DEL, INS or FIND */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
189
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
190 static void set_b0_fname __ARGS((ZERO_BL *, buf_T *buf));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
191 static time_t swapfile_info __ARGS((char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
192 static int recov_file_names __ARGS((char_u **, char_u *, int prepend_dot));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
193 static int ml_append_int __ARGS((buf_T *, linenr_T, char_u *, colnr_T, int, int));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
194 static int ml_delete_int __ARGS((buf_T *, linenr_T, int));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
195 static char_u *findswapname __ARGS((buf_T *, char_u **, char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
196 static void ml_flush_line __ARGS((buf_T *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
197 static bhdr_T *ml_new_data __ARGS((memfile_T *, int, int));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
198 static bhdr_T *ml_new_ptr __ARGS((memfile_T *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
199 static bhdr_T *ml_find_line __ARGS((buf_T *, linenr_T, int));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
200 static int ml_add_stack __ARGS((buf_T *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
201 static char_u *makeswapname __ARGS((buf_T *, char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
202 static void ml_lineadd __ARGS((buf_T *, int));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
203 static int b0_magic_wrong __ARGS((ZERO_BL *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
204 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
205 static int fnamecmp_ino __ARGS((char_u *, char_u *, long));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
206 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
207 static void long_to_char __ARGS((long, char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
208 static long char_to_long __ARGS((char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
209 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
210 static char_u *make_percent_swname __ARGS((char_u *dir, char_u *name));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
211 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
212 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
213 static void ml_updatechunk __ARGS((buf_T *buf, long line, long len, int updtype));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
214 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
215
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
216 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
217 * open a new memline for 'curbuf'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
218 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
219 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
220 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
221 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
222 ml_open()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
223 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
224 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
225 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
226 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
227 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
228 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
229
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
230 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
231 * init fields in memline struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
232 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
233 curbuf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
234 curbuf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
235 curbuf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
236 curbuf->b_ml.ml_locked = NULL; /* no cached block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
237 curbuf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
238 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
239 curbuf->b_ml.ml_chunksize = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
240 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
241
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
242 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
243 * When 'updatecount' is non-zero, flag that a swap file may be opened later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
244 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
245 if (p_uc && curbuf->b_p_swf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
246 curbuf->b_may_swap = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
248 curbuf->b_may_swap = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 * Open the memfile. No swap file is created yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
252 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
253 mfp = mf_open(NULL, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
254 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
255 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
256
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
257 curbuf->b_ml.ml_mfp = mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
258 curbuf->b_ml.ml_flags = ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
259 curbuf->b_ml.ml_line_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
260
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261 #if defined(MSDOS) && !defined(DJGPP)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
262 /* for 16 bit MS-DOS create a swapfile now, because we run out of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
263 * memory very quickly */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 if (p_uc != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
265 ml_open_file(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
266 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
267
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
268 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
269 * fill block0 struct and write page 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
270 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
271 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
272 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
273 if (hp->bh_bnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
274 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
275 EMSG(_("E298: Didn't get block nr 0?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
276 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
277 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
278 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
279
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
280 b0p->b0_id[0] = BLOCK0_ID0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
281 b0p->b0_id[1] = BLOCK0_ID1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
282 b0p->b0_dirty = curbuf->b_changed ? 0x55 : 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
283 b0p->b0_magic_long = (long)B0_MAGIC_LONG;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
284 b0p->b0_magic_int = (int)B0_MAGIC_INT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 b0p->b0_magic_short = (short)B0_MAGIC_SHORT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
286 b0p->b0_magic_char = B0_MAGIC_CHAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
287
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
288 STRNCPY(b0p->b0_version, "VIM ", 4);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
289 STRNCPY(b0p->b0_version + 4, Version, 6);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
290 set_b0_fname(b0p, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
291 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
292 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
293 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
294 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
295 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
296 long_to_char(mch_get_pid(), b0p->b0_pid);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
297
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
299 * Always sync block number 0 to disk, so we can check the file name in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
300 * the swap file in findswapname(). Don't do this for help files though.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301 * Only works when there's a swapfile, otherwise it's done when the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302 * is created.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
303 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
304 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
305 if (!curbuf->b_help)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
306 (void)mf_sync(mfp, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
307
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
309 * fill in root pointer block and write page 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
310 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
311 if ((hp = ml_new_ptr(mfp)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
312 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
313 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
314 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
315 EMSG(_("E298: Didn't get block nr 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
316 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
317 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
318 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
319 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
320 pp->pb_pointer[0].pe_bnum = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
321 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
322 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
323 pp->pb_pointer[0].pe_line_count = 1; /* line count after insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
324 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
325
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
326 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
327 * allocate first data block and create an empty line 1.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
328 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
329 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
330 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
331 if (hp->bh_bnum != 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
332 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
333 EMSG(_("E298: Didn't get block nr 2?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
334 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
337 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
338 dp->db_index[0] = --dp->db_txt_start; /* at end of block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
339 dp->db_free -= 1 + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
340 dp->db_line_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 *((char_u *)dp + dp->db_txt_start) = NUL; /* emtpy line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
343 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
344
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
345 error:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 if (hp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
350 mf_close(mfp, TRUE); /* will also free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
351 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
352 curbuf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
353 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
354 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
355
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 * ml_setname() is called when the file name of "buf" has been changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 * It may rename the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 ml_setname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
364 int success = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
370 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
371
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 if (mfp->mf_fd < 0) /* there is no swap file yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
376 * When 'updatecount' is 0 and 'noswapfile' there is no swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 * For help files we will make a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379 if (p_uc != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 ml_open_file(buf); /* create a swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 * Try all directories in the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 if (*dirp == NUL) /* tried all directories, fail */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 fname = findswapname(buf, &dirp, mfp->mf_fname); /* alloc's fname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 if (fname == NULL) /* no file name found for this dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398 * Set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 p = FullName_save(fname, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 fname = p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 /* if the file name is the same we don't have to do anything */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 if (fnamecmp(fname, mfp->mf_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
412 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414 /* need to close the swap file before renaming */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 if (mfp->mf_fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 close(mfp->mf_fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
418 mfp->mf_fd = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
419 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 /* try to rename the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 if (vim_rename(mfp->mf_fname, fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
423 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
425 vim_free(mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426 mfp->mf_fname = fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
427 vim_free(mfp->mf_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
428 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
430 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
431 mf_set_ffname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
433 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
435 vim_free(fname); /* this fname didn't work, try another */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
436 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
437
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
438 if (mfp->mf_fd == -1) /* need to (re)open the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
441 if (mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
442 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 /* could not (re)open the swap file, what can we do???? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 EMSG(_("E301: Oops, lost the swap file!!!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
447 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 if (!success)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 EMSG(_("E302: Could not rename swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 * Open a file for the memfile for all buffers that are not readonly or have
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 * been modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 * Used when 'updatecount' changes from zero to non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 ml_open_files()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 if (!buf->b_p_ro || buf->b_changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464 ml_open_file(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 * Open a swap file for an existing memfile, if there is no swap file yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 * If we are unable to find a file name, mf_fname will be NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 * and the memfile will be in memory only (no recovery possible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
472 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 ml_open_file(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
476 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
477 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 * Try all directories in 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 if (*dirp == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 /* There is a small chance that between chosing the swap file name and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 * creating it, another Vim creates the file. In that case the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 * creation will fail and we will use another directory. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
495 fname = findswapname(buf, &dirp, NULL); /* allocates fname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
496 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
499 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
500 #if defined(MSDOS) || defined(MSWIN) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 * set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 mf_fullname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
506 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 /* Flush block zero, so others can read it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 if (mf_sync(mfp, MFS_ZERO) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 /* Writing block 0 failed: close the file and try another dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
511 mf_close_file(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
512 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
513 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
514
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 if (mfp->mf_fname == NULL) /* Failed! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 (void)EMSG2(_("E303: Unable to open swap file for \"%s\", recovery impossible"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 buf_spname(buf) != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 ? (char_u *)buf_spname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 : buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
526 /* don't try to open a swap file again */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 buf->b_may_swap = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
529
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
530 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
531 * If still need to create a swap file, and starting to edit a not-readonly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
532 * file, or reading into an existing buffer, create a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
533 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
534 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
535 check_need_swap(newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 int newfile; /* reading file into new buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
537 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
538 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
539 ml_open_file(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
540 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 * Close memline for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
544 * If 'del_file' is TRUE, delete the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 ml_close(buf, del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 if (buf->b_ml.ml_mfp == NULL) /* not open */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 if (buf->b_ml.ml_line_lnum != 0 && (buf->b_ml.ml_flags & ML_LINE_DIRTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 vim_free(buf->b_ml.ml_line_ptr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 vim_free(buf->b_ml.ml_chunksize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 buf->b_ml.ml_chunksize = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 buf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 /* Reset the "recovered" flag, give the ATTENTION prompt the next time
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564 * this buffer is loaded. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 buf->b_flags &= ~BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 * Close all existing memlines and memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 * Only used when exiting.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
571 * When 'del_file' is TRUE, delete the memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
574 ml_close_all(del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580 ml_close(buf, del_file);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 #ifdef TEMPDIRNAMES
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 vim_deltempdir(); /* delete created temp directory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 * Close all memfiles for not modified buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 * Only use just before exiting!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 ml_close_notmod()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 if (!bufIsChanged(buf))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 ml_close(buf, TRUE); /* close all not-modified buffers */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 * Update the timestamp in the .swp file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 * Used when the file has been written.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 ml_timestamp(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 if (mfp == NULL || (hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618 EMSG(_("E304: ml_timestamp: Didn't get block 0??"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 set_b0_fname(b0p, buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 * Write file name and timestamp into block 0 of a swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 * Also set buf->b_mtime.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 * Don't use NameBuff[]!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 set_b0_fname(b0p, buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 if (buf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 #if defined(MSDOS) || defined(MSWIN) || defined(AMIGA) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 /* systems that cannot translate "~user" back into a path: copy the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 * file name unmodified */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 STRNCPY(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 size_t flen, ulen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 * For a file under the home directory of the current user, we try to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 * replace the home directory path with "~user". This helps when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 * editing the same file on different machines over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 * First replace home dir path with "~/" with home_replace().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 * Then insert the user name to get "~user/".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 home_replace(NULL, buf->b_ffname, b0p->b0_fname, B0_FNAME_SIZE, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 if (b0p->b0_fname[0] == '~')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 flen = STRLEN(b0p->b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 /* If there is no user name or it is too long, don't use "~/" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 STRNCPY(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 mch_memmove(b0p->b0_fname + 1, uname, ulen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 if (mch_stat((char *)buf->b_ffname, &st) >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 long_to_char((long)st.st_mtime, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 long_to_char((long)st.st_ino, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 buf_store_time(buf, &st, buf->b_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 buf->b_mtime_read = buf->b_mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 long_to_char(0L, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 long_to_char(0L, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 buf->b_mtime = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 buf->b_mtime_read = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 buf->b_orig_size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 buf->b_orig_mode = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 * try to recover curbuf from the .swp file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 ml_recover()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 buf_T *buf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
700 memfile_T *mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 blocknr_T bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 struct stat org_stat, swp_stat;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 int directly;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 long error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 int cannot_open;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 int has_error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 int txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 off_t size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 int called_from_main;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 int serious_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 long mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 int attr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 recoverymode = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 called_from_main = (curbuf->b_ml.ml_mfp == NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 attr = hl_attr(HLF_E);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 * If the file name ends in ".sw?" we use it directly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 * Otherwise a search is done to find the swap file(s).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 fname = curbuf->b_fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 if (fname == NULL) /* When there is no file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 fname = (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 len = (int)STRLEN(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 if (len >= 4 &&
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 STRNICMP(fname + len - 4, "_sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 STRNICMP(fname + len - 4, ".sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 directly = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 fname = vim_strsave(fname); /* make a copy for mf_open() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 directly = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 /* count the number of matching swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 len = recover_names(&fname, FALSE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 if (len == 0) /* no swap files found */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 EMSG2(_("E305: No swap file found for %s"), fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 if (len == 1) /* one swap file found, use it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 else /* several swap files found, choose */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 /* list the names of the swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 (void)recover_names(&fname, TRUE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 MSG_PUTS(_("Enter number of swap file to use (0 to quit): "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 i = get_number(FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 if (i < 1 || i > len)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 /* get the swap file name that will be used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 (void)recover_names(&fname, FALSE, i);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 goto theend; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 /* When called from main() still need to initialize storage structure */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 if (called_from_main && ml_open() == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 getout(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 * allocate a buffer structure (only the memline in it is really used)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
786 buf = (buf_T *)alloc((unsigned)sizeof(buf_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
793 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794 * init fields in memline struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797 buf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 buf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800 buf->b_ml.ml_locked = NULL; /* no locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 buf->b_ml.ml_flags = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804 * open the memfile from the old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 p = vim_strsave(fname); /* save fname for the message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 (mf_open() may free fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808 mfp = mf_open(fname, O_RDONLY); /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 if (mfp == NULL || mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 if (p != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 EMSG2(_("E306: Cannot open %s"), p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 buf->b_ml.ml_mfp = mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
821 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 * The page size set in mf_open() might be different from the page size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823 * used in the swap file, we must get it from block 0. But to read block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824 * 0 we need a page size. Use the minimal size for block 0 here, it will
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 * be set to the real value below.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 * try to read block 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 MSG_PUTS_ATTR(_("Unable to read block 0 from "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 MSG_PUTS_ATTR(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 _("\nMaybe no changes were made or Vim did not update the swap file."),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 msg_outtrans_attr(mfp->mf_fname, MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 MSG_PUTS_ATTR(_("Use Vim version 3.0.\n"), MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 EMSG2(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 if (b0_magic_wrong(b0p))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 MSG_PUTS_ATTR(_(" cannot be used on this computer.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 MSG_PUTS_ATTR(_("The file was created on "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 /* avoid going past the end of a currupted hostname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 MSG_PUTS_ATTR(b0p->b0_hname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875 MSG_PUTS_ATTR(_(",\nor the file has been damaged."), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
876 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
877 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
878 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 * If we guessed the wrong page size, we have to recalculate the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
881 * highest block number in the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 if ((size = lseek(mfp->mf_fd, (off_t)0L, SEEK_END)) <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 mfp->mf_blocknr_max = 0; /* no file or empty file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 mfp->mf_infile_count = mfp->mf_blocknr_max;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 * If .swp file name given directly, use name from swap file for buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 if (directly)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 expand_env(b0p->b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 msg_str((char_u *)_("Using swap file \"%s\""), NameBuff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 if (buf_spname(curbuf) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 STRCPY(NameBuff, buf_spname(curbuf));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 msg_str((char_u *)_("Original file \"%s\""), NameBuff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
914 * check date of swap file and original file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
915 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 mtime = char_to_long(b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917 if (curbuf->b_ffname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
920 && org_stat.st_mtime > swp_stat.st_mtime)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
921 || org_stat.st_mtime != mtime))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 EMSG(_("E308: Warning: Original file may have been changed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
926 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927 hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
930 * Now that we are sure that the file is going to be recovered, clear the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 * contents of the current buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937 * Try reading the original file to obtain the values of 'fileformat',
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
938 * 'fileencoding', etc. Ignore errors. The text itself is not used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
940 if (curbuf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
941 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 (void)readfile(curbuf->b_ffname, NULL, (linenr_T)0,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
947
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
948 bnum = 1; /* start with block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 page_count = 1; /* which is 1 page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 lnum = 0; /* append after line 0 in curbuf */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 idx = 0; /* start with first index in block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
953 error = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955 buf->b_ml.ml_stack = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958 if (curbuf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
959 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
960 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961 cannot_open = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963 serious_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 for ( ; !got_int; line_breakcheck())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 * get block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 EMSG2(_("E309: Unable to read block 1 from %s"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 else /* there is a block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
984 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 if (pp->pb_id == PTR_ID) /* it is a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 /* check line count when using pointer block first time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 if (idx == 0 && line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 line_count -= pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 if (line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 if (pp->pb_count == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 else if (idx < (int)pp->pb_count) /* go a block deeper */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 if (pp->pb_pointer[idx].pe_bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 * Data block with negative block number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 * Try to read lines from the original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 * This is slow, but it works.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 if (!cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 if (readfile(curbuf->b_ffname, NULL, lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 pp->pb_pointer[idx].pe_old_lnum - 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 line_count, NULL, 0) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 lnum += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 if (cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 ml_append(lnum++, (char_u *)_("???LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 ++idx; /* get same block again for next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037 * going one block deeper in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1039 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 break; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1045 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 else /* not a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 if (dp->db_id != DATA_ID) /* block id wrong */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1061 EMSG2(_("E310: Block 1 ID wrong (%s not a .swp file?)"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1062 mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1063 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1067 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1068 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1069 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1070 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1071 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 * it is a data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 * Append all the lines in this block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1075 has_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1077 * check length of block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 * if wrong, use length in pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 if (page_count * mfp->mf_page_size != dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1089 /* make sure there is a NUL at the end of the block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 *((char_u *)dp + dp->db_txt_end - 1) = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093 * check number of lines in block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094 * if wrong, use count in data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096 if (line_count != dp->db_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may have been inserted/deleted"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 for (i = 0; i < dp->db_line_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 txt_start = (dp->db_index[i] & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 if (txt_start <= HEADER_SIZE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 || txt_start >= (int)dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 p = (char_u *)"???";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 p = (char_u *)dp + txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 ml_append(lnum++, p, (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 if (has_error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 ml_append(lnum++, (char_u *)_("???END"), (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 if (buf->b_ml.ml_stack_top == 0) /* finished */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 * go one block up in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 idx = ip->ip_index + 1; /* go to next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 * The dummy line from the empty buffer will now be after the last line in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 * the buffer. Delete it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1140 curbuf->b_flags |= BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 if (got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 EMSG(_("E311: Recovery Interrupted"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 else if (error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 EMSG(_("E312: Errors detected while recovering; look for lines starting with ???"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 MSG(_("See \":help E312\" for more information."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 MSG(_("Recovery completed. You should check if everything is OK."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 MSG_PUTS(_("\n(You might want to write out this file under another name\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 MSG_PUTS(_("and run diff with the original file to check for changes)\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 MSG_PUTS(_("Delete the .swp file afterwards.\n\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 redraw_curbuf_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 vim_free(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 if (serious_error && called_from_main)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 ml_close(curbuf, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 #ifdef FEAT_AUTOCMD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 * Find the names of swap files in current directory and the directory given
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 * with the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 * Used to:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 * - list the swap files for "vim -r"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 * - count the number of swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 * - list the swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 * - find the name of the n'th swap file when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 recover_names(fname, list, nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197 char_u **fname; /* base for swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 int list; /* when TRUE, list the swap file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 int nr; /* when non-zero, return nr'th swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 char_u *(names[6]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 int num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 int file_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 char_u **files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 /* use msg() to start the scrolling properly */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 msg((char_u *)_("Swap files found:"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220 * Do the loop for every directory in 'directory'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 dir_name = alloc((unsigned)STRLEN(p_dir) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 while (dir_name != NULL && *dirp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 * Isolate a directory name from *dirp and put it in dir_name (we know
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 * it is large enough, so use 31000 for length).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 * Advance dirp to next directory name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 (void)copy_option_part(&dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 names[0] = vim_strsave((char_u *)"*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 names[0] = vim_strsave((char_u *)"*_sw#");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244 names[0] = vim_strsave((char_u *)"*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 names[1] = vim_strsave((char_u *)".*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 names[2] = vim_strsave((char_u *)".sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 names[1] = vim_strsave((char_u *)".*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 num_names = recov_file_names(names, *fname, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 else /* check directory dir_name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 names[0] = concat_fnames(dir_name, (char_u *)"*_sw#", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 p = dir_name + STRLEN(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 if (vim_ispathsep(p[-1]) && p[-1] == p[-2])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297 /* Ends with '//', Use Full path for swap name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 tail = make_percent_swname(dir_name, *fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1300 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1301 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 tail = gettail(*fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 tail = concat_fnames(dir_name, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 if (tail == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 num_names = recov_file_names(names, tail, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 vim_free(tail);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 /* check for out-of-memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319 if (names[i] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1323 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 if (num_names == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 else if (expand_wildcards(num_names, names, &num_files, &files,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333 * When no swap file found, wildcard expansion might have failed (e.g.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 * not able to execute the shell).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 * Try finding a swap file by simply adding ".swp" to the file name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 if (*dirp == NUL && file_count + num_files == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 && fname != NULL && *fname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 char_u *swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 swapname = modname(*fname, (char_u *)"_swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 swapname = modname(*fname, (char_u *)".swp", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 if (swapname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 files = (char_u **)alloc((unsigned)sizeof(char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 if (files != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 files[0] = swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 swapname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 num_files = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 vim_free(swapname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 * remove swapfile name of the current buffer, it must be ignored
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 if (curbuf->b_ml.ml_mfp != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 vim_free(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 --num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 for ( ; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 files[i] = files[i + 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 if (nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 if (nr <= file_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1383 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 *fname = vim_strsave(files[nr - 1 + num_files - file_count]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 dirp = (char_u *)""; /* stop searching */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 else if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 if (dir_name[0] == '.' && dir_name[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 MSG_PUTS(_(" In current directory:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 MSG_PUTS(_(" Using specified name:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 MSG_PUTS(_(" In directory "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 msg_home_replace(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 MSG_PUTS(":\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 if (num_files)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 /* print the swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 msg_outnum((long)++file_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 MSG_PUTS(". ");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 msg_puts(gettail(files[i]));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 (void)swapfile_info(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 MSG_PUTS(_(" -- none --\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1425 FreeWild(num_files, files);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 return file_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1431 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 * Append the full path to name with path separators made into percent
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1434 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437 make_percent_swname(dir, name)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 char_u *dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441 char_u *d, *s, *f, *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443 f = fix_fname(name != NULL ? name : (char_u *) "");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 d = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445 if (f != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 s = alloc((unsigned)(STRLEN(f) + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 for (d = s, p = f; *p; p++, d++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 *d = vim_ispathsep(*p) ? '%' : *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 *d = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 d = concat_fnames(dir, s, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 vim_free(f);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 return d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 static int process_still_running;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 * Give information about an existing swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 * Returns timestamp (0 when unknown).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 static time_t
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 swapfile_info(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 time_t x = (time_t)0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 /* print the swap file date */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 if (mch_stat((char *)fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 /* print name of owner of the file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 MSG_PUTS(_(" owned by: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 msg_outtrans(uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 MSG_PUTS(ctime(&x)); /* includes '\n' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 * print the original file name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 MSG_PUTS(_(" [from Vim version 3.0]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 else if (b0.b0_id[0] != BLOCK0_ID0 || b0.b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 MSG_PUTS(_(" [does not look like a Vim swap file]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 MSG_PUTS(_(" file name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 if (b0.b0_fname[0] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 MSG_PUTS(_("[No File]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 msg_outtrans(b0.b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 MSG_PUTS(_("\n modified: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 MSG_PUTS(b0.b0_dirty ? _("YES") : _("no"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 MSG_PUTS(_("\n user name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 msg_outtrans(b0.b0_uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 if (*(b0.b0_hname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 MSG_PUTS(_(" host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 MSG_PUTS(_("\n host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 msg_outtrans(b0.b0_hname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 if (char_to_long(b0.b0_pid) != 0L)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 MSG_PUTS(_("\n process ID: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 msg_outnum(char_to_long(b0.b0_pid));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 #if defined(UNIX) || defined(__EMX__)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 /* EMX kill() not working correctly, it seems */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 if (kill((pid_t)char_to_long(b0.b0_pid), 0) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 MSG_PUTS(_(" (still running)"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 process_still_running = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 if (b0_magic_wrong(&b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 MSG_PUTS(_("\n [not usable with this version of Vim]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 MSG_PUTS(_("\n [not usable on this computer]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 MSG_PUTS(_(" [cannot be read]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 MSG_PUTS(_(" [cannot be opened]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 return x;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 recov_file_names(names, path, prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 char_u **names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 char_u *path;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 int prepend_dot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 * (MS-DOS) always short names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 names[0] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 #else /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 * (Win32 and Win64) never short names, but do prepend a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 * Only use the short name if it is different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 int shortname = curbuf->b_shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 curbuf->b_shortname = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 * May also add the file name with a dot prepended, for swap file in same
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 * dir as original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 if (prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 names[num_names] = modname(path, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 * Form the normal swap file name pattern by appending ".sw?".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 names[num_names] = concat_fnames(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 if (num_names >= 1) /* check if we have the same name twice */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 p = names[num_names - 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 if (STRCMP(p, names[num_names]) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1652 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 * Also try with 'shortname' set, in case the file is on a DOS filesystem.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 curbuf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 names[num_names] = modname(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 names[num_names] = modname(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 names[num_names] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670 * Remove the one from 'shortname', if it's the same as with 'noshortname'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 p = names[num_names];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 if (STRCMP(names[num_names - 1], p) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 end:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 curbuf->b_shortname = shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 #endif /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 return num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 * sync all memlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 * If 'check_file' is TRUE, check if original file exists and was not changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 * If 'check_char' is TRUE, stop syncing when character becomes available, but
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 * always sync at least one block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 ml_sync_all(check_file, check_char)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 int check_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 int check_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 if (buf->b_ml.ml_mfp == NULL || buf->b_ml.ml_mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 continue; /* no file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 && buf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 * If the original file does not exist anymore or has been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 * call ml_preserve() to get rid of all negative numbered blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 if (mch_stat((char *)buf->b_ffname, &st) == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 || st.st_mtime != buf->b_mtime_read
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 || (size_t)st.st_size != buf->b_orig_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 ml_preserve(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 did_check_timestamps = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 need_check_timestamps = TRUE; /* give message later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 if (buf->b_ml.ml_mfp->mf_dirty)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 | (bufIsChanged(buf) ? MFS_FLUSH : 0));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 if (check_char && ui_char_avail()) /* character available now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 * sync one buffer, including negative blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 * after this all the blocks are in the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 * Used for the :preserve command and when the original file has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 * changed or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 * when message is TRUE the success of preserving is reported
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 ml_preserve(buf, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 int status;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 int got_int_save = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 if (mfp == NULL || mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 EMSG(_("E313: Cannot preserve, there is no swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 /* We only want to stop when interrupted here, not when interrupted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 * before. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 /* stack is invalid after mf_sync(.., MFS_ALL) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 * Some of the data blocks may have been changed from negative to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 * positive block number. In that case the pointer blocks need to be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 * updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 * We don't know in which pointer block the references are, so we visit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 * all data blocks until there are no more translations to be done (or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 * we hit the end of the file, which can only happen in case a write fails,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 * e.g. when file system if full).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 * ml_find_line() does the work by translating the negative block numbers
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 * when getting the first line of each data block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 if (mf_need_trans(mfp) && !got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 lnum = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 /* sync the updated pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 got_int |= got_int_save;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 if (status == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 MSG(_("File preserved"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 EMSG(_("E314: Preserve failed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 * NOTE: The pointer returned by the ml_get_*() functions only remains valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 * until the next call!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 * line1 = ml_get(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 * line2 = ml_get(2); // line1 is now invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 * Make a copy of the line if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 * get a pointer to a (read-only copy of a) line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 * On failure an error message is given and IObuff is returned (to avoid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 * having to check for error everywhere).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 ml_get(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 return ml_get_buf(curbuf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 * ml_get_pos: get pointer to position 'pos'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848 ml_get_pos(pos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849 pos_T *pos;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 * ml_get_curline: get pointer to cursor line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 ml_get_curline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 * ml_get_cursor: get pointer to cursor position
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 ml_get_cursor()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 curwin->w_cursor.col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 * get a pointer to a line in a specific buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 * "will_change": if TRUE mark the buffer dirty (chars in the line will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 * changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 ml_get_buf(buf, lnum, will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 int will_change; /* line will be changed */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 char_u *ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 EMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 errorret:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 STRCPY(IObuff, "???");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 return IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 if (lnum <= 0) /* pretend line 0 is line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 return (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 * See if it is the same line as requested last time.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 * Otherwise may need to flush last used line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 if (buf->b_ml.ml_line_lnum != lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 ml_flush_line(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 EMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 goto errorret;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 ptr = (char_u *)dp + ((dp->db_index[lnum - buf->b_ml.ml_locked_low]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 buf->b_ml.ml_line_ptr = ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 buf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 if (will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 return buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 * Check if a line that was just obtained by a call to ml_get
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 * is in allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 ml_line_alloced()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945 * Append a line after lnum (may be 0 to insert a line in front of the file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1946 * "line" does not need to be allocated, but can't be another line in a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947 * buffer, unlocking may make it invalid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 * will be set for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 * appended_lines().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 ml_append(lnum, line, len, newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 colnr_T len; /* length of new line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 if (curbuf->b_ml.ml_line_lnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 ml_append_int(buf, lnum, line, len, newfile, mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 colnr_T len; /* length of line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 int mark; /* mark the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 int line_count; /* number of indexes in current block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 int offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 int from, to;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 int space_needed; /* space needed for new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 int page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 int db_idx; /* index for lnum in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 /* lnum out of range */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 len = (colnr_T)STRLEN(line) + 1; /* space needed for the text */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 space_needed = len + INDEX_SIZE; /* space needed for text + index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 page_size = mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 * find the data block containing the previous line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 * This also fills the stack with the blocks from the root to the data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 buf->b_ml.ml_flags &= ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 if (lnum == 0) /* got line one instead, correct db_idx */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 db_idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030 * If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 * - there is not enough room in the current block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 * - appending to the last line in the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 * - not appending to the last line in the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 * insert in front of the next block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 if ((int)dp->db_free < space_needed && db_idx == line_count - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 && lnum < buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040 * Now that the line is not going to be inserted in the block that we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 * expected, the line count has to be adjusted in the pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 * by using ml_locked_lineadd.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 ++buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 if ((int)dp->db_free >= space_needed) /* enough room in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 * Insert new line in existing data block, or in data block allocated above.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 dp->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 dp->db_free -= space_needed;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 ++(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 * move the text of the lines that follow to the front
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 * adjust the indexes of the lines that follow
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 if (line_count > db_idx + 1) /* if there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 * Offset is the start of the previous line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 * This will become the character just after the new line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078 if (db_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 offset = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 mch_memmove((char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 (char *)dp + dp->db_txt_start + len,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 (size_t)(offset - (dp->db_txt_start + len)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 for (i = line_count - 1; i > db_idx; --i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 dp->db_index[i + 1] = dp->db_index[i] - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 dp->db_index[db_idx + 1] = offset - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 else /* add line at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 dp->db_index[db_idx + 1] = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 * copy the text into the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 dp->db_index[db_idx + 1] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 * Mark the block dirty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103 if (!newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 else /* not enough space in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 * If there is not enough room we have to create a new data block and copy some
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 * lines into it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 * Then we have to insert an entry in the pointer block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 * If this pointer block also is full, we go up another block, and so on, up
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 * to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 long line_count_left, line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 int page_count_left, page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 bhdr_T *hp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 bhdr_T *hp_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 bhdr_T *hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 int lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 int data_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 int total_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 DATA_BL *dp_right, *dp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 int in_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 int lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 blocknr_T bnum_left, bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 linenr_T lnum_left, lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 int pb_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 PTR_BL *pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 * We are going to allocate a new data block. Depending on the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 * situation it will be put to the left or right of the existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 * block. If possible we put the new line in the left block and move
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 * the lines after it to the right block. Otherwise the new line is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139 * also put in the right block. This method is more efficient when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 * inserting a lot of lines at one place.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 if (db_idx < 0) /* left block is new, right block is existing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 lines_moved = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 in_left = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 else /* left block is existing, right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 lines_moved = line_count - db_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 if (lines_moved == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 total_moved = data_moved + lines_moved * INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 if ((int)dp->db_free + total_moved >= space_needed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 in_left = TRUE; /* put new line in left block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 space_needed = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 space_needed += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 /* correct line counts in pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 hp_left = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 hp_right = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 line_count_right = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 hp_left = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 hp_right = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 line_count_left = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 dp_right = (DATA_BL *)(hp_right->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 dp_left = (DATA_BL *)(hp_left->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 bnum_left = hp_left->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 bnum_right = hp_right->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 page_count_left = hp_left->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 page_count_right = hp_right->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 * May move the new line into the right/new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 if (!in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 dp_right->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 dp_right->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 dp_right->db_index[0] = dp_right->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 dp_right->db_index[0] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 ++line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 * may move lines from the left/old block to the right/new one.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 if (lines_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 dp_right->db_txt_start -= data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 dp_right->db_free -= total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 (char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 (size_t)data_moved);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 offset = dp_right->db_txt_start - dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 dp_left->db_txt_start += data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 dp_left->db_free += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 * update indexes in the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 for (to = line_count_right, from = db_idx + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 from < line_count_left; ++from, ++to)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 dp_right->db_index[to] = dp->db_index[from] + offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 line_count_right += lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 line_count_left -= lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 * May move the new line into the left (old or new) block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 dp_left->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 dp_left->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 dp_left->db_index[line_count_left] = dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 dp_left->db_index[line_count_left] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 mch_memmove((char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 ++line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 lnum_left = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 lnum_right = lnum + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 lnum_right = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270 dp_left->db_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 dp_right->db_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 * release the two data blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 * The new one (hp_new) already has a correct blocknumber.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 * The old one (hp, in ml_locked) gets a positive blocknumber if
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 * we changed it and we are not editing a new file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 if (lines_moved || in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 if (!newfile && db_idx >= 0 && in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 * flush the old data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 * set ml_locked_lineadd to 0, because the updating of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 * pointer blocks is done below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 lineadd = buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 * update pointer blocks for the new data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 pb_idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 EMSG(_("E317: pointer block id wrong 3"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312 * TODO: If the pointer block is full and we are adding at the end
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 * try to insert in front of the next block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 /* block not full, add one entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 if (pp->pb_count < pp->pb_count_max)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 if (pb_idx + 1 < (int)pp->pb_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 mch_memmove(&pp->pb_pointer[pb_idx + 2],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 ++pp->pb_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 if (lnum_left != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 if (lnum_right != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 if (lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 --(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 ml_lineadd(buf, lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 /* fix stack itself */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 * We are finished, break the loop here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 else /* pointer block full */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 * split the pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 * allocate a new pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 * move some of the pointer into the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 * prepare for updating the parent block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362 for (;;) /* do this twice when splitting block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 hp_new = ml_new_ptr(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 if (hp_new == NULL) /* TODO: try to fix tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 pp_new = (PTR_BL *)(hp_new->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2368
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2370 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2371
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 * if block 1 becomes full the tree is given an extra level
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 * The pointers from block 1 are moved into the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 * block 1 is updated to point to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 * then continue to split the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 mch_memmove(pp_new, pp, (size_t)page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2379 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2380 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 hp = hp_new; /* new block is to be split */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 pp = pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 CHECK(stack_idx != 0, _("stack_idx should be 0"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 ip->ip_index = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 ++stack_idx; /* do block 1 again later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 * move the pointers after the current one to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 * If there are none, the new entry will be in the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 total_moved = pp->pb_count - pb_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 if (total_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 mch_memmove(&pp_new->pb_pointer[0],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 (size_t)(total_moved) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 pp_new->pb_count = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 pp->pb_count -= total_moved - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 if (lnum_right)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 pp_new->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 pp_new->pb_pointer[0].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 pp_new->pb_pointer[0].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 pp_new->pb_pointer[0].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 pp_new->pb_pointer[0].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2419 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 if (lnum_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 * recompute line counts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 for (i = 0; i < (int)pp_new->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 line_count_right += pp_new->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 line_count_left += pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 bnum_left = hp->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436 bnum_right = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 page_count_left = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 page_count_right = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 * Safety check: fallen out of for loop?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 if (stack_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 EMSG(_("E318: Updated too many blocks?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 buf->b_ml.ml_stack_top = 0; /* invalidate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 /* The line was inserted below 'lnum' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 if (STRLEN(line) > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 netbeans_inserted(buf, lnum+1, (colnr_T)0, 0, line, STRLEN(line));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line), 0,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 (char_u *)"\n", 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 * replace line lnum, with buffering, in current buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 * If copy is TRUE, make a copy of the line, otherwise the line has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 * copied to allocated memory already.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 * changed_lines(), unless update_screen(NOT_VALID) is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 ml_replace(lnum, line, copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484 char_u *line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 int copy;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 if (line == NULL) /* just checking... */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 if (copy && (line = vim_strsave(line)) == NULL) /* allocate memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 netbeans_inserted(curbuf, lnum, 0, 0, line, STRLEN(line));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 if (curbuf->b_ml.ml_line_lnum != lnum) /* other line buffered */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 ml_flush_line(curbuf); /* flush it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 else if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) /* same line allocated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 vim_free(curbuf->b_ml.ml_line_ptr); /* free it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 curbuf->b_ml.ml_line_ptr = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 curbuf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 * delete line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 * deleted_lines() after this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 ml_delete(lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 return ml_delete_int(curbuf, lnum, message);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 ml_delete_int(buf, lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 int text_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 int line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 long line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 if (lnum < 1 || lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 lowest_marked--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2555
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2556 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2557 * If the file becomes empty the last line is replaced by an empty line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561 if (message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 && !netbeansSuppressNoLines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 set_keep_msg((char_u *)_(no_lines_msg));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 keep_msg_attr = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 /* FEAT_BYTEOFF already handled in there, dont worry 'bout it below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 buf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574 return i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 * This also fills the stack with the blocks from the root to the data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 /* compute line count before the delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 count = (long)(buf->b_ml.ml_locked_high)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 - (long)(buf->b_ml.ml_locked_low) + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 --buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 if (idx == 0) /* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 line_size = dp->db_txt_end - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 netbeans_removed(buf, lnum, 0, line_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 * special case: If there is only one line in the data block it becomes empty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 * Then we have to remove the entry, pointing to this data block, from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 * pointer block. If this pointer block also becomes empty, we go up another
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 * block, and so on, up to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 if (count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 mf_free(mfp, hp); /* free the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0; --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 EMSG(_("E317: pointer block id wrong 4"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 count = --(pp->pb_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 if (count == 0) /* the pointer block becomes empty! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 mf_free(mfp, hp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 if (count != idx) /* move entries after the deleted one */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642 (size_t)(count - idx) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 CHECK(stack_idx < 0, _("deleted block 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 * delete the text by moving the next lines forwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 text_start = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 mch_memmove((char *)dp + text_start + line_size,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 (char *)dp + text_start, (size_t)(line_start - text_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 * delete the index by moving the next indexes backwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 * Adjust the indexes for the text movement.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 for (i = idx; i < count - 1; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 dp->db_index[i] = dp->db_index[i + 1] + line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 dp->db_free += line_size + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 dp->db_txt_start += line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 --(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 * mark the block dirty and make sure it is in the file (for recovery)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 * set the B_MARKED flag for line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 ml_setmarked(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 || curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 if (lowest_marked == 0 || lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 lowest_marked = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 * This also fills the stack with the blocks from the root to the data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 * find the first line with its B_MARKED flag set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 linenr_T
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 ml_firstmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 if (curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 * The search starts with lowest_marked line. This is the last line where
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 * a mark was found, adjusted by inserting/deleting lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 * block This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 return (linenr_T)0; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 return lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 #if 0 /* not used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 * return TRUE if line 'lnum' has a mark
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 ml_has_mark(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 if (curbuf->b_ml.ml_mfp == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 || (hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 return (int)((dp->db_index[lnum - curbuf->b_ml.ml_locked_low]) & DB_MARKED);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 * clear all DB_MARKED flags
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 ml_clearmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 * The search starts with line lowest_marked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 * flush ml_line if necessary
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 ml_flush_line(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 char_u *new_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839 char_u *old_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 colnr_T new_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 int old_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 int extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 int start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 if (buf->b_ml.ml_flags & ML_LINE_DIRTY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 lnum = buf->b_ml.ml_line_lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 new_line = buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 EMSGN(_("E320: Cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2862 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2863 start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2864 old_line = (char_u *)dp + start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2865 if (idx == 0) /* line is last in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2866 old_len = dp->db_txt_end - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2867 else /* text of previous line follows */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2868 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2869 new_len = (colnr_T)STRLEN(new_line) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2870 extra = new_len - old_len; /* negative if lines gets smaller */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2871
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2872 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2873 * if new line fits in data block, replace directly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2874 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2875 if ((int)dp->db_free >= extra)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2876 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2877 /* if the length changes and there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2878 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2879 if (extra != 0 && idx < count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2880 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2881 /* move text of following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2882 mch_memmove((char *)dp + dp->db_txt_start - extra,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2883 (char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2884 (size_t)(start - dp->db_txt_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2885
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2886 /* adjust pointers of this and following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2887 for (i = idx + 1; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2888 dp->db_index[i] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2889 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2890 dp->db_index[idx] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 /* adjust free space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893 dp->db_free -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 dp->db_txt_start -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 /* copy new line into the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 mch_memmove(old_line - extra, new_line, (size_t)new_len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2899 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2900 /* The else case is already covered by the insert and delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2901 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2903 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2904 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2905 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2906 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 * Cannot do it in one data block: Delete and append.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 * Append first, because ml_delete_int() cannot delete the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 * last line in a buffer, which causes trouble for a buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910 * that has only one line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2911 * Don't forget to copy the mark!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2912 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2913 /* How about handling errors??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2914 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2915 (dp->db_index[idx] & DB_MARKED));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2916 (void)ml_delete_int(buf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2917 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2918 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2919 vim_free(new_line);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2920 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2921
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2922 buf->b_ml.ml_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2923 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2924
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2925 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2926 * create a new, empty, data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2927 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2928 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2929 ml_new_data(mfp, negative, page_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2930 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2931 int negative;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2932 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2933 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2934 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2935 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2936
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2937 if ((hp = mf_new(mfp, negative, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2938 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2939
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2940 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2941 dp->db_id = DATA_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2942 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2943 dp->db_free = dp->db_txt_start - HEADER_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2944 dp->db_line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2945
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2946 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2947 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2948
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2949 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2950 * create a new, empty, pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2951 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2952 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2953 ml_new_ptr(mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2954 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2955 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2956 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2957 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2958
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2959 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2960 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2961
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2962 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2963 pp->pb_id = PTR_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2964 pp->pb_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2965 pp->pb_count_max = (short_u)((mfp->mf_page_size - sizeof(PTR_BL)) / sizeof(PTR_EN) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2966
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2967 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2968 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2969
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2970 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2971 * lookup line 'lnum' in a memline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2972 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2973 * action: if ML_DELETE or ML_INSERT the line count is updated while searching
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2974 * if ML_FLUSH only flush a locked block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 * if ML_FIND just find the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977 * If the block was found it is locked and put in ml_locked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978 * The stack is updated to lead to the locked block. The ip_high field in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 * the stack is updated to reflect the last line in the block AFTER the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 * insert or delete, also if the pointer block has not been updated yet. But
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981 * if if ml_locked != NULL ml_locked_lineadd must be added to ip_high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2982 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 * return: NULL for failure, pointer to block header otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2985 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2986 ml_find_line(buf, lnum, action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989 int action;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 linenr_T t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 blocknr_T bnum, bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 int dirty;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999 linenr_T low, high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3002 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3003
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3004 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3005
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3006 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3007 * If there is a locked block check if the wanted line is in it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3008 * If not, flush and release the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3009 * Don't do this for ML_INSERT_SAME, because the stack need to be updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3010 * Don't do this for ML_FLUSH, because we want to flush the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3011 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3012 if (buf->b_ml.ml_locked)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3013 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3014 if (ML_SIMPLE(action) && buf->b_ml.ml_locked_low <= lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3015 && buf->b_ml.ml_locked_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3016 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3017 /* remember to update pointer blocks and stack later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3018 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3019 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3020 ++(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3021 ++(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3022 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3023 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3024 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3025 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3026 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3027 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3028 return (buf->b_ml.ml_locked);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3029 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3030
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3031 mf_put(mfp, buf->b_ml.ml_locked, buf->b_ml.ml_flags & ML_LOCKED_DIRTY,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3032 buf->b_ml.ml_flags & ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3033 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3034
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3035 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3036 * if lines have been added or deleted in the locked block, need to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3037 * update the line count in pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3038 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3039 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3040 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3041 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3042
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3043 if (action == ML_FLUSH) /* nothing else to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3044 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3045
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3046 bnum = 1; /* start at the root of the tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3047 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3048 low = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3049 high = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3050
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3051 if (action == ML_FIND) /* first try stack entries */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3052 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3053 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3054 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3055 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3056 if (ip->ip_low <= lnum && ip->ip_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3057 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3058 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3059 low = ip->ip_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3060 high = ip->ip_high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3061 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3062 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3063 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3064 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3065 if (top < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3066 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3067 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3068 else /* ML_DELETE or ML_INSERT */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3069 buf->b_ml.ml_stack_top = 0; /* start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3070
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3071 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3072 * search downwards in the tree until a data block is found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3073 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3074 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3075 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3076 if ((hp = mf_get(mfp, bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3077 goto error_noblock;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3078
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3079 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3080 * update high for insert/delete
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3081 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3082 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3083 ++high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3084 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3085 --high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3086
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3087 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3088 if (dp->db_id == DATA_ID) /* data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3089 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3090 buf->b_ml.ml_locked = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3091 buf->b_ml.ml_locked_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3092 buf->b_ml.ml_locked_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3093 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3094 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3095 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3096 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3097
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3098 pp = (PTR_BL *)(dp); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3099 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3100 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3101 EMSG(_("E317: pointer block id wrong"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3102 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3103 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3104
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3105 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3106 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3107 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3108 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3109 ip->ip_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3110 ip->ip_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3111 ip->ip_index = -1; /* index not known yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3112
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3113 dirty = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3114 for (idx = 0; idx < (int)pp->pb_count; ++idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3115 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3116 t = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3117 CHECK(t == 0, _("pe_line_count is zero"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3118 if ((low += t) > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3119 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3120 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3121 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3122 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3123 high = low - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3124 low -= t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3125
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3126 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3127 * a negative block number may have been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3128 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3129 if (bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3130 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3131 bnum2 = mf_trans_del(mfp, bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3132 if (bnum != bnum2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3133 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3134 bnum = bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3135 pp->pb_pointer[idx].pe_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3136 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3137 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3138 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3139
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3140 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3141 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3142 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3143 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3144 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3145 if (lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3146 EMSGN(_("E322: line number out of range: %ld past the end"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3147 lnum - buf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3148
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3149 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3150 EMSGN(_("E323: line count wrong in block %ld"), bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3151 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3152 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3153 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3154 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3155 pp->pb_pointer[idx].pe_line_count--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3156 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3157 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3158 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3159 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3160 pp->pb_pointer[idx].pe_line_count++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3161 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3163 mf_put(mfp, hp, dirty, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3165
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3166 error_block:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3167 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3168 error_noblock:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3169 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3170 * If action is ML_DELETE or ML_INSERT we have to correct the tree for
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3171 * the incremented/decremented line counts, because there won't be a line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3172 * inserted/deleted after all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3173 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3174 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3175 ml_lineadd(buf, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3176 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3177 ml_lineadd(buf, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3178 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3179 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3180 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3181
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3182 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3183 * add an entry to the info pointer stack
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3184 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3185 * return -1 for failure, number of the new entry otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3186 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3187 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3188 ml_add_stack(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3189 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3190 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3191 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3192 infoptr_T *newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3193
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3194 top = buf->b_ml.ml_stack_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3195
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3196 /* may have to increase the stack size */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3197 if (top == buf->b_ml.ml_stack_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3198 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3199 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3200
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3201 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3202 (buf->b_ml.ml_stack_size + STACK_INCR));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3203 if (newstack == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3204 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3205 mch_memmove(newstack, buf->b_ml.ml_stack, (size_t)top * sizeof(infoptr_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3206 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3207 buf->b_ml.ml_stack = newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3208 buf->b_ml.ml_stack_size += STACK_INCR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3209 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3210
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3211 buf->b_ml.ml_stack_top++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3212 return top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3213 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3214
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3215 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3216 * Update the pointer blocks on the stack for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3217 * The stack itself is also updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3218 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3219 * When a insert/delete line action fails, the line is not inserted/deleted,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3220 * but the pointer blocks have already been updated. That is fixed here by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3221 * walking through the stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3222 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3223 * Count is the number of lines added, negative if lines have been deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3224 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3225 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3226 ml_lineadd(buf, count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3227 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3228 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3229 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3230 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3231 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3232 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3234 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3238 ip = &(buf->b_ml.ml_stack[idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3239 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 EMSG(_("E317: pointer block id wrong 2"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 pp->pb_pointer[ip->ip_index].pe_line_count += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 ip->ip_high += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 * make swap file name out of the file name and a directory name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258 makeswapname(buf, dir_name)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 char_u *r, *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 s = dir_name + STRLEN(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266 if (vim_ispathsep(s[-1]) && s[-1] == s[-2])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 { /* Ends with '//', Use Full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 r = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 if ((s = make_percent_swname(dir_name, buf->b_fname)) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 r = modname(s, (char_u *)".swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 return r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 r = buf_modname(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 TRUE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282 (buf->b_p_sn || buf->b_shortname),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3283 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 /* Avoid problems if fname has special chars, eg <Wimp$Scrap> */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 buf->b_ffname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 buf->b_fname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 (char_u *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 "_swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 ".swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296 #ifdef SHORT_FNAME /* always 8.3 file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297 FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299 /* Prepend a '.' to the swap file name for the current directory. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 dir_name[0] == '.' && dir_name[1] == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3302 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3303 if (r == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3305
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306 s = get_file_in_dir(r, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3307 vim_free(r);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3308 return s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3309 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3310
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3311 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3312 * Get file name to use for swap file or backup file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3313 * Use the name of the edited file "fname" and an entry in the 'dir' or 'bdir'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314 * option "dname".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3315 * - If "dname" is ".", return "fname" (swap file in dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3316 * - If "dname" starts with "./", insert "dname" in "fname" (swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3317 * relative to dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3319 * dir).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3321 * The return value is an allocated string and can be NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3324 get_file_in_dir(fname, dname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3326 char_u *dname; /* don't use "dirname", it is a global for Alpha */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3328 char_u *t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3330 char_u *retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3331 int save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3332
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3333 tail = gettail(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3334
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3335 if (dname[0] == '.' && dname[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3336 retval = vim_strsave(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3337 else if (dname[0] == '.' && vim_ispathsep(dname[1]))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3338 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3339 if (tail == fname) /* no path before file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3340 retval = concat_fnames(dname + 2, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3341 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3342 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3343 save_char = *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3344 *tail = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3345 t = concat_fnames(fname, dname + 2, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3346 *tail = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3347 if (t == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3348 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3349 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3350 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3351 retval = concat_fnames(t, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3352 vim_free(t);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3353 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3354 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3355 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3356 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3357 retval = concat_fnames(dname, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3358
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3359 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3360 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3361
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3362 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3363 * Find out what name to use for the swap file for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3364 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3365 * Several names are tried to find one that does not exist
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3366 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3367 * Note: If BASENAMELEN is not correct, you will get error messages for
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3368 * not being able to open the swapfile
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3369 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3370 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3371 findswapname(buf, dirp, old_fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3372 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3373 char_u **dirp; /* pointer to list of directories */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3374 char_u *old_fname; /* don't give warning for this file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3375 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3376 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3377 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3378 time_t x, sx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3379 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3380 #ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3381 BPTR fh;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3382 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3383 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3384 int r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3385 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3386
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3387 #if !defined(SHORT_FNAME) \
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3388 && ((!defined(UNIX) && !defined(OS2)) || defined(ARCHIE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3389 # define CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3390 FILE *dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3391
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3392 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3393 * If we start editing a new file, e.g. "test.doc", which resides on an MSDOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3394 * compatible filesystem, it is possible that the file "test.doc.swp" which we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3395 * create will be exactly the same file. To avoid this problem we temporarily
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 * create "test.doc".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3397 * Don't do this when the check below for a 8.3 file name is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399 if (!(buf->b_p_sn || buf->b_shortname) && buf->b_fname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 && mch_getperm(buf->b_fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3402 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3404 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 * Isolate a directory name from *dirp and put it in dir_name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3406 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3407 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3408 dir_name = alloc((unsigned)STRLEN(*dirp) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3409 if (dir_name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3410 (void)copy_option_part(dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 * we try different names until we find one that does not exist yet
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 if (dir_name == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3417 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 fname = makeswapname(buf, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 if (fname == NULL) /* must be out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3423 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3424 if ((n = (int)STRLEN(fname)) == 0) /* safety check */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3425 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3426 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3427 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3428 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430 #if (defined(UNIX) || defined(OS2)) && !defined(ARCHIE) && !defined(SHORT_FNAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3431 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3432 * Some systems have a MS-DOS compatible filesystem that use 8.3 character
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3433 * file names. If this is the first try and the swap file name does not fit in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3434 * 8.3, detect if this is the case, set shortname and try again.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3435 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3436 if (fname[n - 2] == 'w' && fname[n - 1] == 'p'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3437 && !(buf->b_p_sn || buf->b_shortname))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3438 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3439 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3440 char_u *fname2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3441 struct stat s1, s2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3442 int f1, f2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3443 int created1 = FALSE, created2 = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3444 int same = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3445
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3446 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3447 * Check if swapfile name does not fit in 8.3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3448 * It either contains two dots, is longer than 8 chars, or starts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3449 * with a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3450 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3451 tail = gettail(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3452 if ( vim_strchr(tail, '.') != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3453 || STRLEN(tail) > (size_t)8
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3454 || *gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3455 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3456 fname2 = alloc(n + 2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3457 if (fname2 != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3458 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3459 STRCPY(fname2, fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3460 /* if fname == "xx.xx.swp", fname2 = "xx.xx.swx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3461 * if fname == ".xx.swp", fname2 = ".xx.swpx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3462 * if fname == "123456789.swp", fname2 = "12345678x.swp"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3463 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3464 if (vim_strchr(tail, '.') != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3465 fname2[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3466 else if (*gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3467 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3468 fname2[n] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3469 fname2[n + 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3470 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3471 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3472 fname2[n - 5] += 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3473 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3474 * may need to create the files to be able to use mch_stat()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3475 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3476 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3477 if (f1 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3478 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3479 f1 = mch_open_rw((char *)fname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3480 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3481 #if defined(OS2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3482 if (f1 < 0 && errno == ENOENT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3483 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3484 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3485 created1 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3486 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3487 if (f1 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3488 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3489 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3490 if (f2 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3491 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3492 f2 = mch_open_rw((char *)fname2,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3493 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3494 created2 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3495 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3496 if (f2 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3497 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3498 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3499 * Both files exist now. If mch_stat() returns the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3500 * same device and inode they are the same file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3501 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3502 if (mch_fstat(f1, &s1) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3503 && mch_fstat(f2, &s2) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3504 && s1.st_dev == s2.st_dev
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3505 && s1.st_ino == s2.st_ino)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3506 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3507 close(f2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3508 if (created2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3509 mch_remove(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3510 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3511 close(f1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3512 if (created1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3513 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3515 vim_free(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 if (same)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3518 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3519 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3520 fname = makeswapname(buf, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3521 continue; /* try again with b_shortname set */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3522 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3523 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3524 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3526 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3527 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3528 * check if the swapfile already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3529 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3530 if (mch_getperm(fname) < 0) /* it does not exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3532 #ifdef HAVE_LSTAT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3533 struct stat sb;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3534
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3535 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3536 * Extra security check: When a swap file is a symbolic link, this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3537 * is most likely a symlink attack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3538 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3539 if (mch_lstat((char *)fname, &sb) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3540 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3541 # ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3542 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3544 * on the Amiga mch_getperm() will return -1 when the file exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3545 * but is being used by another program. This happens if you edit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3546 * a file twice.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3547 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3548 if (fh != (BPTR)NULL) /* can open file, OK */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3549 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3550 Close(fh);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3551 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3552 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3553 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3554 if (IoErr() != ERROR_OBJECT_IN_USE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3555 && IoErr() != ERROR_OBJECT_EXISTS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3556 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3557 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3558 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3561 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3562 * A file name equal to old_fname is OK to use.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3563 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3564 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3565 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3566
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3567 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3568 * get here when file already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3569 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3570 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') /* first try */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3571 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3572 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3573 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3574 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3575 * and file.doc are the same file. To guess if this problem is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3576 * present try if file.doc.swx exists. If it does, we set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3577 * buf->b_shortname and try file_doc.swp (dots replaced by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3578 * underscores for this file), and try again. If it doesn't we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3579 * assume that "file.doc.swp" already exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3580 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3581 if (!(buf->b_p_sn || buf->b_shortname)) /* not tried yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3582 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3583 fname[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3584 r = mch_getperm(fname); /* try "file.swx" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3585 fname[n - 1] = 'p';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3586 if (r >= 0) /* "file.swx" seems to exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3587 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3588 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3589 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3590 fname = makeswapname(buf, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3591 continue; /* try again with '.' replaced with '_' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3592 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3593 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3594 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3595 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3596 * If we get here the ".swp" file really exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3597 * Give an error message, unless recovering, no file name, we are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3598 * viewing a help file or when the path of the file is different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3599 * (happens when all .swp files are in one directory).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3600 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3601 if (!recoverymode && buf->b_fname != NULL && !buf->b_help)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3603 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3604 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3605 int differ = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3606
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3607 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3608 * Try to read block 0 from the swap file to get the original
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3609 * file name (and inode number).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3610 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3611 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3612 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3613 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3614 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3615 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3616 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3617 * The name in the swap file may be "~user/path/file".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3618 * Expand it first.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3619 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3620 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3621 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3622 if (fnamecmp_ino(buf->b_ffname, NameBuff,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3623 char_to_long(b0.b0_ino)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3624 differ = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3625 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3626 if (fnamecmp(NameBuff, buf->b_ffname) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3627 differ = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3628 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3629 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3630 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3632 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3633 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3634 /* Can't open swap file, though it does exist.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3635 * Assume that the user is editing two files with
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3636 * the same name in different directories. No error.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3637 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3638 differ = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3639 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3640
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3641 /* give the ATTENTION message when there is an old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3642 * for the current file, and the buffer was not recovered. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3643 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3644 && vim_strchr(p_shm, SHM_ATTENTION) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3645 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3646 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3647 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3648 int did_use_dummy = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3649
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3650 /* Avoid getting a warning for the file being created
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3651 * outside of Vim, it was created at the start of this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3652 * function. Delete the file now, because Vim might exit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3653 * here if the window is closed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3654 if (dummyfd != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3655 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3656 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3657 dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3658 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3659 did_use_dummy = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3660 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3661 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3662 #ifdef FEAT_GUI
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3663 /* If we are supposed to start the GUI but it wasn't
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3664 * completely started yet, start it now. This makes the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3665 * messages displayed in the Vim window when loading a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3666 * session from the .gvimrc file. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3667 if (gui.starting && !gui.in_use)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3668 gui_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3669 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3670
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3671 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3672 process_still_running = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3673 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3674 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3675 (void)EMSG(_("E325: ATTENTION"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3676 MSG_PUTS(_("\nFound a swap file by the name \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3677 msg_home_replace(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3678 MSG_PUTS("\"\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3679 sx = swapfile_info(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3680 MSG_PUTS(_("While opening file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3681 msg_outtrans(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3682 MSG_PUTS("\"\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3683 if (mch_stat((char *)buf->b_fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3684 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3685 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3686 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3687 MSG_PUTS(ctime(&x));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3688 if (sx != 0 && x > sx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3689 MSG_PUTS(_(" NEWER than swap file!\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3691 /* Some of these messages are long to allow translation to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3692 * other languages. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3693 MSG_PUTS(_("\n(1) Another program may be editing the same file.\n If this is the case, be careful not to end up with two\n different instances of the same file when making changes.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3694 MSG_PUTS(_(" Quit, or continue with caution.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3695 MSG_PUTS(_("\n(2) An edit session for this file crashed.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3696 MSG_PUTS(_(" If this is the case, use \":recover\" or \"vim -r "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3697 msg_outtrans(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3698 MSG_PUTS(_("\"\n to recover the changes (see \":help recovery\").\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3699 MSG_PUTS(_(" If you did this already, delete the swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3700 msg_outtrans(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3701 MSG_PUTS(_("\"\n to avoid this message.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3702 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3703 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3704
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3705 /* We don't want a 'q' typed at the more-prompt interrupt
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3706 * loading a file. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3707 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3708
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3709 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3710 if (swap_exists_action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3711 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3712 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3713
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3714 name = alloc((unsigned)(STRLEN(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3715 + STRLEN(_("Swap file \""))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3716 + STRLEN(_("\" already exists!")) + 5));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3717 if (name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3718 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3719 STRCPY(name, _("Swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3720 home_replace(NULL, fname, name + STRLEN(name),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3721 1000, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3722 STRCAT(name, _("\" already exists!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3723 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3724 switch (do_dialog(VIM_WARNING,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3725 (char_u *)_("VIM - ATTENTION"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3726 name == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3727 ? (char_u *)_("Swap file already exists!")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3728 : name,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3729 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3730 process_still_running
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3731 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3732 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3733 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort\n&Delete it"), 1, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3734 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3735 case 1:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3736 buf->b_p_ro = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3737 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3738 case 2:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3739 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3740 case 3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3741 swap_exists_action = SEA_RECOVER;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3742 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3743 case 4:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3744 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3745 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3746 case 5:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3747 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3748 got_int = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3749 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3750 case 6:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3751 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3752 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3753 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3754 vim_free(name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3755
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3756 /* pretend screen didn't scroll, need redraw anyway */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3757 msg_scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3758 redraw_all_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3759
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3760 /* If the file was deleted this fname can be used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3761 if (mch_getperm(fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3762 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3763 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3764 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3765 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3766 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3767 MSG_PUTS("\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3768 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3769 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3770
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3771 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3772 /* Going to try another name, need the dummy file again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3773 if (did_use_dummy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3774 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3775 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3776 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3777 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3778 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3779
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3780 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3781 * Change the ".swp" extension to find another file that can be used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3782 * First decrement the last char: ".swo", ".swn", etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3783 * If that still isn't enough decrement the last but one char: ".svz"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3784 * Can happen when editing many "No File" buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3785 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3786 if (fname[n - 1] == 'a') /* ".s?a" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3787 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3788 if (fname[n - 2] == 'a') /* ".saa": tried enough, give up */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3789 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3790 EMSG(_("E326: Too many swap files found"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3791 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3792 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3793 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3794 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3795 --fname[n - 2]; /* ".svz", ".suz", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3796 fname[n - 1] = 'z' + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3797 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3798 --fname[n - 1]; /* ".swo", ".swn", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3799 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3800
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3801 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3802 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3803 if (dummyfd != NULL) /* file has been created temporarily */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3804 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3805 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3806 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3807 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3808 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3809 return fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3810 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3811
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3812 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3813 b0_magic_wrong(b0p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3814 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3815 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3816 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3817 || b0p->b0_magic_int != (int)B0_MAGIC_INT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3818 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3819 || b0p->b0_magic_char != B0_MAGIC_CHAR);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3820 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3821
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3822 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3823 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3824 * Compare current file name with file name from swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3825 * Try to use inode numbers when possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3826 * Return non-zero when files are different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3827 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3828 * When comparing file names a few things have to be taken into consideration:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3829 * - When working over a network the full path of a file depends on the host.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3830 * We check the inode number if possible. It is not 100% reliable though,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3831 * because the device number cannot be used over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3832 * - When a file does not exist yet (editing a new file) there is no inode
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3833 * number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3834 * - The file name in a swap file may not be valid on the current host. The
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3835 * "~user" form is used whenever possible to avoid this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3836 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3837 * This is getting complicated, let's make a table:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3838 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3839 * ino_c ino_s fname_c fname_s differ =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3840 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3841 * both files exist -> compare inode numbers:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3842 * != 0 != 0 X X ino_c != ino_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3843 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3844 * inode number(s) unknown, file names available -> compare file names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3845 * == 0 X OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3846 * X == 0 OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3847 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3848 * current file doesn't exist, file for swap file exist, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3849 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3850 * == 0 != 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3851 * == 0 != 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3852 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3853 * current file exists, inode for swap unknown, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3854 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3855 * != 0 == 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3856 * != 0 == 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3857 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3858 * current file doesn't exist, inode for swap unknown, one file name not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3859 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3860 * == 0 == 0 FAIL OK TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3861 * == 0 == 0 OK FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3862 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3863 * current file doesn't exist, inode for swap unknown, both file names not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3864 * available -> probably same file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3865 * == 0 == 0 FAIL FAIL FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3866 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3867 * Note that when the ino_t is 64 bits, only the last 32 will be used. This
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3868 * can't be changed without making the block 0 incompatible with 32 bit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3869 * versions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3870 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3871
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3872 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3873 fnamecmp_ino(fname_c, fname_s, ino_block0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3874 char_u *fname_c; /* current file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3875 char_u *fname_s; /* file name from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3876 long ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3877 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3878 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3879 ino_t ino_c = 0; /* ino of current file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3880 ino_t ino_s; /* ino of file from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3881 char_u buf_c[MAXPATHL]; /* full path of fname_c */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3882 char_u buf_s[MAXPATHL]; /* full path of fname_s */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3883 int retval_c; /* flag: buf_c valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3884 int retval_s; /* flag: buf_s valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3885
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3886 if (mch_stat((char *)fname_c, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3887 ino_c = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3888
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3889 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3890 * First we try to get the inode from the file name, because the inode in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3891 * the swap file may be outdated. If that fails (e.g. this path is not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3892 * valid on this machine), use the inode from block 0.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3893 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3894 if (mch_stat((char *)fname_s, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3895 ino_s = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3896 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3897 ino_s = (ino_t)ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3898
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3899 if (ino_c && ino_s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3900 return (ino_c != ino_s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3901
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3902 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3903 * One of the inode numbers is unknown, try a forced vim_FullName() and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3904 * compare the file names.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3905 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3906 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3907 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3908 if (retval_c == OK && retval_s == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3909 return (STRCMP(buf_c, buf_s) != 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3910
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3911 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3912 * Can't compare inodes or file names, guess that the files are different,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3913 * unless both appear not to exist at all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3914 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3915 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3916 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3917 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3918 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3919 #endif /* CHECK_INODE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3920
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3921 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3922 * Move a long integer into a four byte character array.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3923 * Used for machine independency in block zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3924 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3925 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3926 long_to_char(n, s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3927 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3928 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3929 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3930 s[0] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3931 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3932 s[1] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3933 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3934 s[2] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3935 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3936 s[3] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3937 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3938
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3939 static long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3940 char_to_long(s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3941 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3942 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3943 long retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3944
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3945 retval = s[3];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3946 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3947 retval |= s[2];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3948 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3949 retval |= s[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3950 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3951 retval |= s[0];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3952
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3953 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3954 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3955
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3956 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3957 ml_setdirty(buf, flag)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3958 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3959 int flag;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3960 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3961 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3962 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3963
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3964 if (!buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3965 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3966 for (hp = buf->b_ml.ml_mfp->mf_used_last; hp != NULL; hp = hp->bh_prev)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3967 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3968 if (hp->bh_bnum == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3969 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3970 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3971 b0p->b0_dirty = flag ? 0x55 : 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3972 hp->bh_flags |= BH_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3973 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3974 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3975 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3976 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3977 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3978
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3979 #if defined(FEAT_BYTEOFF) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3980
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3981 #define MLCS_MAXL 800 /* max no of lines in chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3982 #define MLCS_MINL 400 /* should be half of MLCS_MAXL */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3983
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3984 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3985 * Keep information for finding byte offset of a line, updtytpe may be one of:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3986 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3987 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3988 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3989 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3990 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3991 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3992 ml_updatechunk(buf, line, len, updtype)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3993 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3994 linenr_T line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3995 long len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3996 int updtype;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3997 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3998 static buf_T *ml_upd_lastbuf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3999 static linenr_T ml_upd_lastline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4000 static linenr_T ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4001 static int ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4002
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4003 linenr_T curline = ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4004 int curix = ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4005 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4006 chunksize_T *curchnk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4007 int rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4008 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4009 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4010
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4011 if (buf->b_ml.ml_usedchunks == -1 || len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4012 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4013 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4014 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4015 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4016 alloc((unsigned)sizeof(chunksize_T) * 100);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4017 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4018 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4019 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4020 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4021 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4022 buf->b_ml.ml_numchunks = 100;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4023 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4024 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4025 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4026 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4027
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4028 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4029 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4030 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4031 * First line in empty buffer from ml_flush_line() -- reset
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4032 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4033 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4034 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4035 buf->b_ml.ml_chunksize[0].mlcs_totalsize =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4036 (long)STRLEN(buf->b_ml.ml_line_ptr) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4037 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4038 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4039
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4040 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4041 * Find chunk that our line belongs to, curline will be at start of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4042 * chunk.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4043 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4044 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4045 || updtype != ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4046 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4047 for (curline = 1, curix = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4048 curix < buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4049 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4050 curix++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4051 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4052 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4053 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4054 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4055 else if (line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4056 && curix < buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4057 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4058 /* Adjust cached curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4059 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4060 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4061 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4062 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4063
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4064 if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4065 len *= -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4066 curchnk->mlcs_totalsize += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4067 if (updtype == ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4068 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4069 curchnk->mlcs_numlines++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4070
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4071 /* May resize here so we don't have to do it in both cases below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4072 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4073 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4074 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4075 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4076 vim_realloc(buf->b_ml.ml_chunksize,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4077 sizeof(chunksize_T) * buf->b_ml.ml_numchunks);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4078 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4079 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4080 /* Hmmmm, Give up on offset for this buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4081 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4082 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4083 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4084 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4085
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4086 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4087 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4088 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4089 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4090 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4091 int linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4092
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4093 mch_memmove(buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4094 buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4095 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4096 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4097 /* Compute length of first half of lines in the splitted chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4098 size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4099 linecnt = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4100 while (curline < buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4101 && linecnt < MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4102 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4103 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4104 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4105 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4106 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4107 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4108 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4109 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4110 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4111 idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4112 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4113 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4114 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4115 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4116 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4117 /* Compute index of last line to use in this MEMLINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4118 rest = count - idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4119 if (linecnt + rest > MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4120 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4121 idx += MLCS_MINL - linecnt - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4122 linecnt = MLCS_MINL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4123 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4124 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4125 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4126 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4127 linecnt += rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4128 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4129 size += text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4130 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4131 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4132 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4133 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4134 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4135 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4136 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4137 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4138 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4139 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4140 && curix == buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4141 && buf->b_ml.ml_line_count - line <= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4142 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4143 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4144 * We are in the last chunk and it is cheap to crate a new one
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4145 * after this. Do it now to avoid the loop above later on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4146 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4147 curchnk = buf->b_ml.ml_chunksize + curix + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4148 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4149 if (line == buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4150 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4151 curchnk->mlcs_numlines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4152 curchnk->mlcs_totalsize = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4153 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4154 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4155 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4156 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4157 * Line is just prior to last, move count for last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4158 * This is the common case when loading a new file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4159 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4160 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4161 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4162 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4163 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4164 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4165 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4166 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4167 if (dp->db_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4168 rest = dp->db_txt_end - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4169 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4170 rest =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4171 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4172 - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4173 curchnk->mlcs_totalsize = rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4174 curchnk->mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4175 curchnk[-1].mlcs_totalsize -= rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4176 curchnk[-1].mlcs_numlines -= 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4177 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4178 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4179 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4180 else if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4181 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4182 curchnk->mlcs_numlines--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4183 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4184 if (curix < (buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4185 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4186 <= MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4187 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4188 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4189 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4190 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4191 else if (curix == 0 && curchnk->mlcs_numlines <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4192 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4193 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4194 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4195 buf->b_ml.ml_usedchunks * sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4196 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4197 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4198 else if (curix == 0 || (curchnk->mlcs_numlines > 10
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4199 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4200 > MLCS_MINL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4201 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4202 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4203 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4204
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4205 /* Collapse chunks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4206 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4207 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4208 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4209 if (curix < buf->b_ml.ml_usedchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4210 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4211 mch_memmove(buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4212 buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4213 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4214 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4215 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4216 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4217 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4218 ml_upd_lastbuf = buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4219 ml_upd_lastline = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4220 ml_upd_lastcurline = curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4221 ml_upd_lastcurix = curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4222 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4223
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4224 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4225 * Find offset for line or line with offset.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4226 * Find line with offset if line is 0; return remaining offset in offp
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4227 * Find offset of line if line > 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4228 * return -1 if information is not available
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4229 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4230 long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4231 ml_find_line_or_offset(buf, line, offp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4232 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4233 linenr_T line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4234 long *offp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4235 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4236 linenr_T curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4237 int curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4238 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4239 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4240 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4241 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4242 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4243 int start_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4244 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4245 long offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4246 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4247 int ffdos = (get_fileformat(buf) == EOL_DOS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4248 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4249
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4250 if (buf->b_ml.ml_usedchunks == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4251 || buf->b_ml.ml_chunksize == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4252 || line < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4253 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4254
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4255 if (offp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4256 offset = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4257 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4258 offset = *offp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4259 if (line == 0 && offset <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4260 return 1; /* Not a "find offset" and offset 0 _must_ be in line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4261 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4262 * Find the last chunk before the one containing our line. Last chunk is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4263 * special because it will never qualify
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4264 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4265 curline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4266 curix = size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4267 while (curix < buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4268 && ((line != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4269 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4270 || (offset != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4271 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4272 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4273 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4274 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4275 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4276 if (offset && ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4277 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4278 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4279 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4280
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4281 while ((line != 0 && curline < line) || (offset != 0 && size < offset))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4282 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4283 if (curline > buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4284 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4285 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4286 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4287 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4288 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4289 start_idx = idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4290 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4291 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4292 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4293 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4294 /* Compute index of last line to use in this MEMLINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4295 if (line != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4296 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4297 if (curline + (count - idx) >= line)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4298 idx += line - curline - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4299 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4300 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4301 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4302 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4303 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4304 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4305 while (offset >= size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4306 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4307 + ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4308 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4309 if (ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4310 size++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4311 if (idx == count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4312 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4313 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4314 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4315 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4316 idx++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4317 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4318 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4319 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4320 size += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4321 if (offset != 0 && size >= offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4322 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4323 if (size + ffdos == offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4324 *offp = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4325 else if (idx == start_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4326 *offp = offset - size + len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4327 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4328 *offp = offset - size + len
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4329 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4330 curline += idx - start_idx + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4331 if (curline > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4332 return -1; /* exactly one byte beyond the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4333 return curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4334 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4335 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4336 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4337
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4338 if (ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4339 size += line - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4340 return size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4341 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4343 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4344 * Goto byte in buffer with offset 'cnt'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4345 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4346 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4347 goto_byte(cnt)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4348 long cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4349 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4350 long boff = cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4351 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4352
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4353 ml_flush_line(curbuf); /* cached line may be dirty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4354 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4355 if (boff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4356 --boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4357 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4358 if (lnum < 1) /* past the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4359 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4360 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4361 curwin->w_curswant = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4362 coladvance((colnr_T)MAXCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4363 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4364 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4365 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4366 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4367 curwin->w_cursor.col = (colnr_T)boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4368 curwin->w_set_curswant = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4369 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4370 check_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4371
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4372 # ifdef FEAT_MBYTE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4373 /* Make sure the cursor is on the first byte of a multi-byte char. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4374 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4375 mb_adjust_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4376 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4377 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4378 #endif